103020140 has 12 divisors (see below), whose sum is σ = 216342336. Its totient is φ = 41208048.

The previous prime is 103020107. The next prime is 103020149. The reversal of 103020140 is 41020301.

It is a happy number.

It is a super-2 number, since 2×103020140² = 21226298491239200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103020149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575484 + ... + 2575523.

It is an arithmetic number, because the mean of its divisors is an integer number (18028528).

Almost surely, 2^103020140 is an apocalyptic number.

103020140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103020140 is an abundant number, since it is smaller than the sum of its proper divisors (113322196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103020140 is a wasteful number, since it uses less digits than its factorization.

103020140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151016 (or 5151014 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 103020140 is about 10149.8837431766. The cubic root of 103020140 is about 468.7853652725.

Adding to 103020140 its reverse (41020301), we get a palindrome (144040441).

The spelling of 103020140 in words is "one hundred three million, twenty thousand, one hundred forty".